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CVE-2026-103593

CVE-2026-103593 · Fireware OS Stack Buffer Overflow in Logging Service Allows Remote Code Execution

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A stack-based buffer overflow vulnerability in the Fireware OS logging service allows a network-adjacent attacker who can impersonate or intercept traffic to the configured log server to execute arbitrary code with root privileges by presenting a specially crafted certificate.

CVSS 9.1 · Critical · EPSS 0.1% · Fix available

Published
Updated

Affected products and versions

  • fireware os

    Versions
    • ≥ 2025.1, < 2026.4: Affected (custom)
    • ≥ 12.0, < 12.12.4: Affected (custom)

    Update to 12.12.4; Update to 2026.4

  • fireware os

    Versions
    • ≥ 12.0, < 12.5.22: Affected (custom)

    Update to 12.5.22

Original sources

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